| Item Name | Guide Valve Stem |
| Federal Supply Group (FSG) | Valves |
| Federal Supply Class (FSC) | 4820 Valves Nonpowered |
| National Item Identification Number (NIIN) | 00-550-6563 (005506563) |
| NCB Code | USA (00) |
| Manufacturer | Army United States Department Of The |
| MRC | Criteria | Characteristic |
|---|---|---|
| AAWY | COUNTERBORE DIAMETER | 1.275 INCHES NOMINAL |
| AAWZ | COUNTERBORE DEPTH | 0.437 INCHES NOMINAL |
| ABHP | OVERALL LENGTH | 3.468 INCHES NOMINAL |
| ABKV | OUTSIDE DIAMETER | 1.030 INCHES NOMINAL |
| ABXV | BORE DIAMETER | 0.5620 INCHES NOMINAL |
| AETC | METALLIC HARDNESS RATING | 16.0 MINIMUM ROCKWELL C AND 27.0 MAXIMUM ROCKWELL C |
| AGQK | MAJOR DIAMETER LENGTH | 0.700 INCHES NOMINAL |
| ALAD | FLATS LENGTH | 0.625 INCHES NOMINAL |
| ASDB | WIDTH ACROSS FLATS | 0.750 INCHES NOMINAL |
| BDYS | COUNTERBORE LOCATION | AA END |
| BQSF | BORE COUNTERBORE | INCLUDED |
| BQSJ | BB END SHANK DIAMETER | 0.875 INCHES NOMINAL |
| FEAT | SPECIAL FEATURES | INTERNAL KEYSLOT SECOND END 0.156W X 0.043 H X 0.400 LG TERMINATING IN 0.156 DIA HOLE THROUGH WALL 90 DEG RADIAL FROM FLATS; FIRST END THREADED 1.000-14NF-3A X 0.775 LG INCL 1/16 RELIEF; FIRST END ENLARGED TO 1.519 OD W/GROOVE 1.4359 DIA X |
| MATT | MATERIAL | STEEL COMP 1045 |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | AISI 1045 ASSN STD 1ST MATERIAL RESPONSE |
| STYL | STYLE DESIGNATOR | SHOULDERED W/FLATS SHANK END |
| Relevant Components for NSN - 4820-00-550-6563, 4820005506563 | ||||
| 4820-01-695-0145 (4820016950145) | 4820-01-596-1771 (4820015961771) | 4810-01-187-3363 (4810011873363) | 4810-01-523-6894 (4810015236894) | |
| 4820-00-707-0356 (4820007070356) | 4820-01-568-0815 (4820015680815) | 4820-01-227-9365 (4820012279365) | 4820-01-104-8145 (4820011048145) | |
| 4820-01-299-5713 (4820012995713) | 4820-01-640-9566 (4820016409566) | 4810-01-346-0666 (4810013460666) | 4820-01-655-5932 (4820016555932) | |
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